<%@ page import="java.sql.Connection" %>
<%@ page import="java.sql.Statement" %>
<%@ page import="java.sql.DriverManager" %><%--
  Created by IntelliJ IDEA.
  User: JAVA
  Date: 2018/5/7
  Time: 20:55
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>更新用户</title>
</head>
<body>
<%
//1. 得到用户的输入信息
String id = request.getParameter("id");
String name = request.getParameter("username");
String password = request.getParameter("password");

//2. 3+1 写到数据库
// 3 + 1
Connection connection = null;
Statement statement = null;

// 221
String sql = "update t_users set username='"+name+"', password='"+password+"' where id = " +id;


    Class.forName("com.mysql.jdbc.Driver");
    connection= DriverManager.getConnection(
            "jdbc:mysql://localhost:3306/sctu_javaweb_2018?serverTimezone=UTC",
            "root",
            "123456"//大家的密码是123456
    );

    statement = connection.createStatement();

    statement.execute(sql);

    out.write("<h1>成功更新用户！</h1>");
    out.write("<a href='userList.jsp'>返回首页</a>");


%>
</body>
</html>
